CVE-2026-19548: Binutils: binutils: multiple use-after-free in add_archive_element via lto plugin processing
CSIRTS triage
- What
- Multiple use-after-free vulnerabilities exist in add_archive_element via LTO plugin processing.
- Who is affected
- Binutils deployments processing LTO (Link Time Optimization) objects are affected.
- Urgency
- Medium priority; use-after-free can lead to memory corruption and potential code execution.
- Action
- Apply the latest security patch for Binutils.
AI-assisted analysis generated from the source advisory — verify against the original.
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Details
Original advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-19548
Exploitation outlook
EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.
- Low exploitation riskCVE-2026-195480.12% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 2% of all EPSS-scored CVEs.
Referenced CVEs
| CVE | CSIRTS overview | External |
|---|---|---|
| CVE-2026-19548 | coverage & exploitation status | NVD · CVE.org |
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